Fixed bugs;

• Merged (sagittarius debug) libraries in one file.
• Local macro expansion caused compilcation error. (#15)
• Extended lambda syntax didn't work if the result was from macro expansion. (#16)
• shutdown-port raised an error even it's passed proper socket port. (#17)
• bytevector-slices crushed if the argument k was 0. (#18)

Improvements;

• filter-map is now in (core base).
• <date> is now defined in Scheme world for future extension.
• (rfc tls) now ignores warning level alert.

New Features;

• SRFI-114 (srfi :114 comparator) has been supported.

New platform support;

• Cygwin64 has been supported.